Fix bug 64420: NPE in XSSFReader for files with macro-sheets

git-svn-id: https://svn.apache.org/repos/asf/poi/trunk@1877814 13f79535-47bb-0310-9956-ffa450edef68

src/ooxml/java/org/apache/poi/xssf/eventusermodel/XSSFReader.java

@@ -69,10 +69,9 @@ public class XSSFReader {
 
     private static final Set<String> WORKSHEET_RELS =
             Collections.unmodifiableSet(new HashSet<>(
-                    Arrays.asList(new String[]{
-                            XSSFRelation.WORKSHEET.getRelation(),
+                    Arrays.asList(XSSFRelation.WORKSHEET.getRelation(),
                             XSSFRelation.CHARTSHEET.getRelation(),
-                    })
+                            XSSFRelation.MACRO_SHEET_BIN.getRelation())
             ));
     private static final POILogger LOGGER = POILogFactory.getLogger(XSSFReader.class);
 

src/ooxml/testcases/org/apache/poi/xssf/eventusermodel/TestXSSFReader.java

@@ -19,13 +19,18 @@ package org.apache.poi.xssf.eventusermodel;
 
 import static org.apache.poi.POITestCase.assertContains;
 import static org.apache.poi.POITestCase.assertNotContained;
-import static org.junit.Assert.*;
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertFalse;
+import static org.junit.Assert.assertNotNull;
+import static org.junit.Assert.assertNull;
+import static org.junit.Assert.assertTrue;
+import static org.junit.Assert.fail;
 
 import java.io.InputStream;
+import java.util.HashSet;
 import java.util.Iterator;
 import java.util.List;
 import java.util.Set;
-import java.util.HashSet;
 
 import org.apache.poi.POIDataSamples;
 import org.apache.poi.ooxml.POIXMLException;
@@ -36,7 +41,6 @@ import org.apache.poi.util.IOUtils;
 import org.apache.poi.xssf.XSSFTestDataSamples;
 import org.apache.poi.xssf.model.CommentsTable;
 import org.apache.poi.xssf.model.StylesTable;
-import org.apache.poi.xssf.usermodel.XSSFRichTextString;
 import org.apache.poi.xssf.usermodel.XSSFShape;
 import org.apache.poi.xssf.usermodel.XSSFSimpleShape;
 import org.junit.Ignore;
@@ -88,8 +92,8 @@ public final class TestXSSFReader {
 
             XSSFReader r = new XSSFReader(pkg);
 
-            assertEquals(11, r.getSharedStringsTable().getItems().size());
-            assertEquals("Test spreadsheet", new XSSFRichTextString(r.getSharedStringsTable().getEntryAt(0)).toString());
+            assertEquals(11, r.getSharedStringsTable().getSharedStringItems().size());
+            assertEquals("Test spreadsheet", r.getSharedStringsTable().getItemAt(0).toString());
         }
 	}
 
@@ -325,4 +329,21 @@ public final class TestXSSFReader {
             System.out.println("workbook.getName(\"total\").getSheetName() returned: " + name.getSheetName());
         }
     }
+
+    @Test
+    public void test64420() throws Exception {
+        try (OPCPackage pkg = OPCPackage.open(_ssTests.openResourceAsStream("64420.xlsm"))) {
+            XSSFReader reader = new XSSFReader(pkg);
+
+            Iterator<InputStream> iter = reader.getSheetsData();
+            byte[] data = new byte[4096];
+            while (iter.hasNext()) {
+                InputStream stream = iter.next();
+                assertNotNull(stream);
+                int read = IOUtils.readFully(stream, data);
+                assertTrue(read > 0);
+                stream.close();
+            }
+        }
+    }
 }